package com.zltz.www.newfeaturedemo;

import android.content.Context;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static android.content.ContentValues.TAG;

/**
 * A simple {@link Fragment} subclass.
 * Activities that contain this fragment must implement the
 * {@link LeftFragment.OnFragmentInteractionListener} interface
 * to handle interaction events.
 * Use the {@link LeftFragment#newInstance} factory method to
 * create an instance of this fragment.
 */
public class LeftFragment extends Fragment implements android.widget.AdapterView.OnItemClickListener{
    // TODO: Rename parameter arguments, choose names that match
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";

    private ListView mListView;

    // TODO: Rename and change types of parameters
    private String mParam1;
    private String mParam2;

    private OnFragmentInteractionListener mListener;

    public LeftFragment() {
        // Required empty public constructor
    }

    /**
     * Use this factory method to create a new instance of
     * this fragment using the provided parameters.
     *
     * @param param1 Parameter 1.
     * @param param2 Parameter 2.
     * @return A new instance of fragment LeftFragment.
     */
    // TODO: Rename and change types and number of parameters
    public static LeftFragment newInstance(String param1, String param2) {
        LeftFragment fragment = new LeftFragment();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View view = inflater.inflate(R.layout.fragment_left, container, false);

        mListView = (ListView)view.findViewById(R.id.left_listview);

        String[] from = {"text"};
        int[] to = {R.id.item_type};

        List<Map<String, String>> lst = getListData();
        SimpleAdapter adapter = new SimpleAdapter(getContext(), lst, R.layout.item_type, from, to);

        mListView.setAdapter(adapter);

        mListView.setOnItemClickListener(this);

        return view;
    }

    private List<Map<String, String>> getListData()
    {
        ArrayList<Map<String, String>> lst = new ArrayList<>();

        Map<String, String> map = new HashMap<>();
        map.put("text", "弹出菜单");

        lst.add(map);

        Map<String, String> map1 = new HashMap<>();
        map1.put("text", "Spinner");
        lst.add(map1);

        Map<String, String> map2 = new HashMap<>();
        map2.put("text", "GSon");
        lst.add(map2);

        return lst;
    }

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        switch(parent.getId())
        {
            case R.id.left_listview:
            {
                Log.i(TAG, "id: " + view.getId());

                switch(position)
                {
                    case 0:
                    {//启动菜单选项的Fragment
                        Fragment menuFragment = new MenuFragment();
                        FragmentManager fragmentManager = getFragmentManager();
                        FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();

                        MainActivity activity = (MainActivity)getActivity();
                        if(!activity.isLargeMode()) {
                            fragmentTransaction.replace(R.id.left_fragment, menuFragment);
                        }
                        else
                        {
                            fragmentTransaction.replace(R.id.right_fragment, menuFragment);
                        }
                        //fragmentTransaction.add(menuFragment, null).show(menuFragment).hide(this);
                        fragmentTransaction.addToBackStack(null);
                        fragmentTransaction.commit();
                    }break;
                    case 1:
                    {
                        Fragment spinnerFragment = new SpinnerFragment();
                        FragmentManager fragmentManager = getFragmentManager();
                        FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();

                        MainActivity activity = (MainActivity)getActivity();
                        if(!activity.isLargeMode()) {
                            fragmentTransaction.replace(R.id.left_fragment, spinnerFragment);
                        }
                        else
                        {
                            fragmentTransaction.replace(R.id.right_fragment, spinnerFragment);
                        }

                        fragmentTransaction.addToBackStack(null);
                        fragmentTransaction.commit();
                    }break;
                    case 2:
                    {
                        Fragment gsonFragment = new GSonFragment();
                        FragmentManager fragmentManager = getFragmentManager();
                        FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();

                        MainActivity activity = (MainActivity)getActivity();
                        if(!activity.isLargeMode()) {
                            fragmentTransaction.replace(R.id.left_fragment, gsonFragment);
                        }
                        else
                        {
                            fragmentTransaction.replace(R.id.right_fragment, gsonFragment);
                        }

                        fragmentTransaction.addToBackStack(null);
                        fragmentTransaction.commit();
                    }break;
                    default:
                    {}break;
                }
            }break;
            default:
            {}break;
        }

    }

    // TODO: Rename method, update argument and hook method into UI event
    public void onButtonPressed(Uri uri) {
        if (mListener != null) {
            mListener.onFragmentInteraction(uri);
        }
    }

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        if (context instanceof OnFragmentInteractionListener) {
            mListener = (OnFragmentInteractionListener) context;
        } else {
            throw new RuntimeException(context.toString()
                    + " must implement OnFragmentInteractionListener");
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mListener = null;
    }

    /**
     * This interface must be implemented by activities that contain this
     * fragment to allow an interaction in this fragment to be communicated
     * to the activity and potentially other fragments contained in that
     * activity.
     * <p>
     * See the Android Training lesson <a href=
     * "http://developer.android.com/training/basics/fragments/communicating.html"
     * >Communicating with Other Fragments</a> for more information.
     */
    public interface OnFragmentInteractionListener {
        // TODO: Update argument type and name
        void onFragmentInteraction(Uri uri);
    }
}
